Today's Message Index:
----------------------
1. 05:16 AM - Front Fork Doubler (george may)
2. 05:24 AM - PegaStol Service openings (Larry Martin)
3. 05:55 AM - Re: XL Front Fork Doubler (Rico Voss)
4. 10:31 AM - Re: Remove bearings (Frank Jones)
5. 10:33 AM - Re: XL Front Fork Doubler (Frank Jones)
6. 11:07 AM - Re: XL Front Fork Doubler (george may)
7. 12:25 PM - Re: XL Front Fork Doubler (xl)
8. 02:45 PM - Re: XL Front Fork Doubler (george may)
9. 04:24 PM - Re: XL Front Fork Doubler (Joemotis@aol.com)
10. 06:23 PM - Re: XL Front Fork Doubler (wizard-24@juno.com)
11. 06:27 PM - Re: XL Front Fork Doubler (Joemotis@aol.com)
12. 07:32 PM - Re: XL Front Fork Doubler (xl)
13. 11:34 PM - Mounting engine in 701? (scotty scotty)
Message 1
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| Subject: | Front Fork Doubler |
--> Zenith-List message posted by: "george may" <gfmjr_20@hotmail.com>
A couple of monts ago there was discussion about the need for a doubler on
the
front fork of the XL ,similar to the HD & HDS. Someone, I believe had
contacted
Nick. Was there ever any final info given as to whether or not the XL will
need this
doubler?
Any update would be appreciated
Thnaks
George May
601XL--left wing completed
Message 2
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| Subject: | PegaStol Service openings |
0.44 FORGED_OUTLOOK_TAGS Outlook can't send HTML in this format
0.26 UPPERCASE_25_50 message body is 25-50% uppercase
--> Zenith-List message posted by: "Larry Martin" <lrm@isp.com>
On the PegaStol wings there are a total of 24 little round service doors. I installed
one the other day and had a hell'vu time getting it back out. I can get
them out, but I would skin my paint because I would have to use some kind of
tool. Have any of the other PegaStol wing owners figured this out? There must
be an easy way.
And, a general question, do all service door/openings have to be open during the
airworthiness inspection?
Larry N1345L
My Site www.angelfire.com/un/ch701
Message 3
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: Rico Voss <vozzen@yahoo.com>
George--
The answer I got from ZAC (on XL fork doubler) was
that "it's being evaluated".
If no-one has heard anything new from them, I'll stir
that pot again Monday.
--Rico, XL, fuselage in slow motion.
do not archive
__________________________________
Send a seasonal email greeting and help others. Do good.
http://celebrity.mail.yahoo.com
Message 4
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--> Zenith-List message posted by: "Frank Jones" <fjones@sympatico.ca>
For anyone interested. The procedure that worked for removing the
bearings was to heat the wheel in the oven at 500 degrees then whack the
wheel on a board until the bearing comes out. On one wheel it came out
after 10 or 15 hits. The other was tougher and required 3 times in the
oven, some oil and 100 or so hits.
Matco suggested machining the wheels to accept a tapered bearing to
handle side load. I stuck with the regular bearings but added a bushing
between the wheel halves - getting the right length for the bushing
requires care. This approach should substantially improve side load
handling capacity.
Frank Jones
C-GYXQ 601XL
Message 5
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| Subject: | XL Front Fork Doubler |
--> Zenith-List message posted by: "Frank Jones" <fjones@sympatico.ca>
I got the same response from Zenith and sent a follow-up message last
week. No response so far.
Frank Jones
Message 6
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: "george may" <gfmjr_20@hotmail.com>
Rico--
Thanks for the update. Will be interested in whatever you find out
George
do not archive
>From: Rico Voss <vozzen@yahoo.com>
>Reply-To: zenith-list@matronics.com
>To: zenith-list@matronics.com
>Subject: Re: Zenith-List: XL Front Fork Doubler
>Date: Sat, 11 Dec 2004 05:51:50 -0800 (PST)
>
>--> Zenith-List message posted by: Rico Voss <vozzen@yahoo.com>
>
>George--
>
>The answer I got from ZAC (on XL fork doubler) was
>that "it's being evaluated".
>
>If no-one has heard anything new from them, I'll stir
>that pot again Monday.
>
>--Rico, XL, fuselage in slow motion.
>
>do not archive
>
>
>__________________________________
>Send a seasonal email greeting and help others. Do good.
>http://celebrity.mail.yahoo.com
>
>
Message 7
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: xl <xl@prosody.org>
Based on my experience, you should strengthen the nose fork.
633Z veered to the left on the takeoff run until I replaced the nose fork.
I thought that the pull to the left was normal - it shouldn't be.
And the plane hunted on the ground when landing. And would veer to the
left or right under moderate braking depending on which seat had the most
weight in it. My front tire has a gouge in it where it held the fork up
preventing it from collapsing.
After I replaced the nose fork no more veering to the left on the takeoff
roll. And it is much most stable in the rollout. The new nose fork cost
me about $100 - well worth it. See: nose_fork_old_new.jpg and
nose_fork_new.jpg at http://www.cleanh2o.com/633z/
Joe E
N633Z @ BFI
141 hours
On Sat, 11 Dec 2004, george may wrote:
> Rico--
> Thanks for the update. Will be interested in whatever you find out
> George
> do not archive
>
> >From: Rico Voss <vozzen@yahoo.com>
> >Date: Sat, 11 Dec 2004 05:51:50 -0800 (PST)
> >George--
> >The answer I got from ZAC (on XL fork doubler) was
> >that "it's being evaluated".
> >If no-one has heard anything new from them, I'll stir
> >that pot again Monday.
> >--Rico, XL, fuselage in slow motion.
> >
> >do not archive
Message 8
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: "george may" <gfmjr_20@hotmail.com>
Joe--
Thanks for the info. Did you make the new nose fork or have it made?
What is it made from--6061 or other?
George
>From: xl <xl@prosody.org>
>Reply-To: zenith-list@matronics.com
>To: zenith-list@matronics.com
>Subject: Re: Zenith-List: XL Front Fork Doubler
>Date: Sat, 11 Dec 2004 12:21:32 -0800 (PST)
>
>--> Zenith-List message posted by: xl <xl@prosody.org>
>
>
>Based on my experience, you should strengthen the nose fork.
>
>633Z veered to the left on the takeoff run until I replaced the nose fork.
>I thought that the pull to the left was normal - it shouldn't be.
>And the plane hunted on the ground when landing. And would veer to the
>left or right under moderate braking depending on which seat had the most
>weight in it. My front tire has a gouge in it where it held the fork up
>preventing it from collapsing.
>
>After I replaced the nose fork no more veering to the left on the takeoff
>roll. And it is much most stable in the rollout. The new nose fork cost
>me about $100 - well worth it. See: nose_fork_old_new.jpg and
>nose_fork_new.jpg at http://www.cleanh2o.com/633z/
>
>Joe E
>N633Z @ BFI
>141 hours
>
>
>On Sat, 11 Dec 2004, george may wrote:
> > Rico--
> > Thanks for the update. Will be interested in whatever you find out
> > George
> > do not archive
> >
> > >From: Rico Voss <vozzen@yahoo.com>
> > >Date: Sat, 11 Dec 2004 05:51:50 -0800 (PST)
> > >George--
> > >The answer I got from ZAC (on XL fork doubler) was
> > >that "it's being evaluated".
> > >If no-one has heard anything new from them, I'll stir
> > >that pot again Monday.
> > >--Rico, XL, fuselage in slow motion.
> > >
> > >do not archive
>
>
Message 9
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: Joemotis@aol.com
Hi Joe my name is...
Joe. I am also building a 601 XL. And would like to ask you what are the
details on that very robust looking fork?
Did you make it?
If you did I am sure the list would appreciate how. ( at least this member
!!! )
If you did not would the person who made it be interested in making another?
Thanks
Joe Motis 601XL
Jab 3300
Message 10
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: "wizard-24@juno.com" <wizard-24@juno.com>
Interesting about the nose fork situation, and very surprising that ZAC hasn't
issued a bulletin about this. In looking at the thumbnail pictures provided by
one poster (I think it was Joe), I couldn't see on the picture of the old fork
where there was any deformity caused by bending. Makes me curious if there was
something else wrong with the part, like maybe too narrow where the tire was
rubbing against it?
The other thing (and I'm certainly no aerospace engineer) is that the fork shouldn't
be subjected to that much stress, in that the bungee should be absorbing
a great deal of the impact on landing.
To be clear: I'm not questioning Joe's solution, just trying to understand better
before replacing parts.
Mike Fortunato
601XL
Juno Gift Certificates
Give the gift of Internet access this holiday season.
http://www.juno.com/give
Message 11
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: Joemotis@aol.com
Hi Mike
Take a look at the pics on joe e site.
under swedish mufflers. The fork is waaay bent.
Joe Motis
601 XL
Message 12
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| Subject: | Re: XL Front Fork Doubler |
--> Zenith-List message posted by: xl <xl@prosody.org>
It's fine to question my ideas. I thought about it awhile before
replacing the nose fork. I decided to stay with the Zenith design
but use thicker metal. The new fork is about 1 pound heavier than
the old fork. The landing force - straight down isn't the problem.
The problem is the side load. If I stood on the side of the old
fork it would bend almost to the ground. The new fork moves about
1/2". And try pushing the nose back and forth - lots of sway.
(The same side load can cause the stock front wheel main bearings
to fail. Tapered roller bearings fit the application better. BTW
I didn't have to machine the wheel to fit tapered roller bearings.)
The bend radius is larger for the thicker metal so I had to cut and
thread a longer axle. The 5/8" mild steel rod is a few dollars.
And -- from the archive:
> Message: #30434 From: "burylhill" <bus@commspeed.net>
> Subject: Fw: Zenith-List: RE: CH601 XL nose wheel fork
> Date: Oct 29, 2004
> .......snip The Factory demo 601 XL bent the nose gear on the way to
> Copperstate. Nick would know what they at the factory to fix it.
I bought the metal at: http://www.onlinemetals.com/
1 piece @ $33.44/piece
Aluminum 6061-T6 Bare, Plate 0.375" Cut to: 4" x 22"
Shipping Cost: $0.00 (they're a couple miles from me in Seattle.)
Cut Fee: $0.00 Tax: $2.94
I had the metal cut + bent at (a few blocks from onlinemetals):
J & R Metal Craft Inc, 15 Nickerson St, Seattle, WA, (206) 284-0632
The owner was happy to make an airplane part.
No way I could bend it myself, needs some serious pressure......
And I got lazy and had them cut it. ~$60 for the bend, ~$30 for the cut.
And I finally got to fly over Seattle at night today!
The past few weeks I had to stay in the pattern because of the weather.
Joe E
N633Z @ BFI
144 hours
On Sun, 12 Dec 2004, wizard-24@juno.com wrote:
> ....snip
> The other thing (and I'm certainly no aerospace engineer) is that the
> fork shouldn't be subjected to that much stress, in that the bungee
> should be absorbing a great deal of the impact on landing.
> To be clear: I'm not questioning Joe's solution, just trying to
> understand better before replacing parts.
> Mike Fortunato 601XL
Message 13
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| Subject: | Mounting engine in 701? |
--> Zenith-List message posted by: scotty scotty <scotty245@yahoo.com>
I'm needing some advise on positioning the engine onto the mount. First i went
with an alternate engine, the Hirth F30 100hp 2cycle. As far as i know(according
to ZAC) this will be the first 701 with this combo...anyone else? I tig
welded my mount and after placing the engine onto the mount i have less clearance
for engine than i need to allow movement and vibration.
ZAC recommended about 4 degrees downward and 4 degrees offcenter to left(as sitting
in plane), and said this may not have to be that precise... i just want
it to fly correctly. Not wanting to cut and patch the mount i what to know what
everyone thinks of sliding the entire engine approx 1/2" to the left of centerline
while keeping angles the same? The other possiblility i have is going
with only 2 degrees left.
Lastly, what seems to be the best and simplest way to build the cowling, all fiberglass,
aluminum, or fiberglass front piece then the rest aluminum. How difficult
is it to get the fiberglass shape and look right?
Scotty Armstead
scotty245@yahoo.com
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